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|
## AC_ARG_WARNINGS()
##
## Provide the --enable-warnings configure argument, set to 'minimum'
## by default.
##
AC_DEFUN([AC_ARG_WARNINGS],
[
AC_ARG_ENABLE([warnings],
[ --enable-warnings=[[none|minimum|maximum|hardcore]]
Control compiler pickyness. [[default=maximum]]],
[gtkmm_enable_warnings="$enableval"],
gtkmm_enable_warnings="maximum")
AC_MSG_CHECKING([for compiler warning flags to use])
gtkmm_warning_flags=''
# -W is now known as -Wextra, but that's not known by gcc 2 or 3
case "$gtkmm_enable_warnings" in
none|no) gtkmm_warning_flags='';;
minimum|yes) gtkmm_warning_flags='-Wall -Wno-unused-parameter';;
maximum) gtkmm_warning_flags='-W -Wall';;
hardcore) gtkmm_warning_flags='-W -Wall -Werror';;
esac
gtkmm_use_flags=''
if test "x$gtkmm_warning_flags" != "x"
then
echo 'int foo() { return 0; }' > conftest.cc
for flag in $gtkmm_warning_flags
do
# Test whether the compiler accepts the flag. GCC doesn't bail
# out when given an unsupported flag but prints a warning, so
# check the compiler output instead.
gtkmm_cxx_out="`$CXX $flag -c conftest.cc 2>&1`"
rm -f conftest.$OBJEXT
test "x${gtkmm_cxx_out}" = "x" && \
gtkmm_use_flags="${gtkmm_use_flags:+$gtkmm_use_flags }$flag"
done
rm -f conftest.cc
gtkmm_cxx_out=''
fi
if test "x$gtkmm_use_flags" != "x"
then
for flag in $gtkmm_use_flags
do
case " $CXXFLAGS " in
*" $flag "*) ;; # don't add flags twice
*) CXXFLAGS="${CXXFLAGS:+$CXXFLAGS }$flag";;
esac
done
else
gtkmm_use_flags='none'
fi
AC_MSG_RESULT([$gtkmm_use_flags])
])
AC_DEFUN([AC_ARG_DEBUG],
[
AC_MSG_CHECKING([for debug flags])
AC_ARG_ENABLE(debug,[ --enable-debug Build in debugging mode],[
debug=$enableval
],[
debug="no"
])
debug_flags=''
case "$debug" in
yes)
debug_flags="-D_DEBUG -g -O0"
BIGOBJ_FLAGS=""
($CC --version | grep -q mingw) && BIGOBJ_FLAGS="-Wa,-mbig-obj"
CXXFLAGS="`echo $CXXFLAGS | sed s:-O.::` $debug_flags -fno-inline $BIGOBJ_FLAGS"
CFLAGS="`echo $CFLAGS | sed s:-O.::` $debug_flags"
;;
no|*)
debug_flags="-DNDEBUG"
CXXFLAGS="`echo $CXXFLAGS | sed 's:-g[[a-z-]]*\s::g' | sed 's:-g[[a-z-]]*$::'` $debug_flags"
CFLAGS="`echo $CFLAGS | sed 's:-g[[a-z-]]*\s::g' | sed 's:-g[[a-z-]]*$::'` $debug_flags"
;;
esac
AC_MSG_RESULT([$debug_flags])
])
## Optimisation level 2 in g++ 4.1 or g++ 4.2 breaks composition loading in the vector parsing function in loadcanvas.cpp (1509627)
AC_DEFUN([AC_ARG_OPTIMIZATION],
[
AC_MSG_CHECKING([for optimization flags])
AC_ARG_ENABLE(optimization,[ --enable-optimization=[[0,1,2,3,4]] Select optimization level (default=2)],[
optimization=$enableval
],[
optimization="2"
])
optimization_flags=''
case "$optimization" in
0|no) optimization_flags="-O0";;
1) optimization_flags="-O1";;
2|yes) optimization_flags="-O2";;
pass1) optimization_flags="-O2 -fprofile-arcs";;
pass2) optimization_flags="-O2 -fbranch-probabilities";;
3) optimization_flags="-O3";;
*) optimization_flags="-O4";;
esac
CXXFLAGS="`echo $CXXFLAGS | sed 's:-O.::g'` $optimization_flags"
CFLAGS="`echo $CFLAGS | sed 's:-O.::g'` $optimization_flags"
AC_MSG_RESULT([$optimization_flags])
])
AC_DEFUN([AC_ARG_PROFILE_ARCS],
[
AC_MSG_CHECKING([for arc profiling])
AC_ARG_ENABLE(profile-arcs,[ --enable-profile-arcs Enable arc profiling],[
profile_arcs=$enableval
],[
profile_arcs=no
])
if test $profile_arcs = "yes" ; then {
CXXFLAGS="$CXXFLAGS -fprofile-arcs";
CFLAGS="$CFLAGS -fprofile-arcs";
} ; fi
AC_MSG_RESULT([$profile_arcs])
])
AC_DEFUN([AC_ARG_BRANCH_PROBABILITIES],
[
AC_MSG_CHECKING([for branch-probabilities])
AC_ARG_ENABLE(branch-probabilities,[ --enable-branch-probabilities Enable branch-probabilities],[
branch_probabilities=$enableval
],[
branch_probabilities=no
])
if test $branch_probabilities = "yes" ; then {
CXXFLAGS="$CXXFLAGS -fbranch-probabilities";
CFLAGS="$CFLAGS -fbranch-probabilities";
} ; fi
AC_MSG_RESULT([$branch_probabilities])
])
AC_DEFUN([AC_ARG_PROFILING],
[
AC_MSG_CHECKING([for profiling])
AC_ARG_ENABLE(profiling,[ --enable-profiling Enable profiling using gprof],[
profiling=$enableval
],[
profiling=no
])
if test $profiling = "yes" ; then {
CFLAGS="$CFLAGS -pg";
CXXFLAGS="$CXXFLAGS -pg";
LDFLAGS="$LDFLAGS -pg";
LIBS="$LIBS";
} ; fi
AC_MSG_RESULT([$profiling])
])
MINGW_FLAGS="-mno-cygwin"
AC_DEFUN([AC_WIN32_QUIRKS],
[
case "$host" in
*mingw*)
AC_MSG_CHECKING([the flavor of the compiler])
if ( $CC --version | grep -q mingw ) ; then {
AC_MSG_RESULT([compiler is mingw special])
LIBTOOL_PATCH_SED="
s/dir=\"\$absdir\"/dir=\`cygpath -d -m \"\$absdir\"\`/;
s/absdir=\`cd \"\$dir\" && pwd\`/absdir=\`cygpath -d -m \"\$dir\"\`/;
s/# We need an absolute path/dir=\`cygpath -d -m \"\$dir\"\` # We need an absolute path/;
s- /usr/lib- C:/mingw/lib-g;
s-\"/lib -\"C:/mingw/lib -g;
s- /lib/ - -g;
";
sys_lib_dlsearch_path_spec="C:/mingw/lib"
ac_default_prefix=`cygpath -d -m "$ac_default_prefix"`;
} else {
AC_MSG_RESULT([compiler is cygwin stock, adding -mno-cygwin])
CPP="$CPP $MINGW_FLAGS"
CC="$CC $MINGW_FLAGS"
CXX="$CXX $MINGW_FLAGS -L/usr/$host/lib -I/usr/include/c++/3.3.3/$host"
CXXCPP="$CXXCPP $MINGW_FLAGS"
} ; fi
LTCC="gcc"
CXXFLAGS="$CXXFLAGS -Wno-cpp -LC:/GTK/lib"
CFLAGS="$CFLAGS -LC:/GTK/lib"
LDFLAGS="$LDFLAGS -lole32 -Wl,-no-undefined -Wl,--export-all-symbols -Wl,--subsystem=console -Wl,--enable-runtime-pseudo-reloc"
dnl LDFLAGS="$LDFLAGS -lole32 -Wl,-no-undefined -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--subsystem=console -Wl,--enable-runtime-pseudo-reloc"
;;
*cygwin*)
LDFLAGS="$LDFLAGS -lole32 -Wl,-no-undefined -Wl,--export-all-symbols"
dnl LDFLAGS="$LDFLAGS -lole32 -Wl,-no-undefined -Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--subsystem=console"
CXXFLAGS="$CXXFLAGS -I/target/include"
CFLAGS="$CFLAGS -I/target/include"
;;
powerpc-apple*)
echo Adding mac-specific optimization flags. . .
CXXFLAGS="$CXXFLAGS $G5OPTFLAGS"
;;
esac
])
|
